S&CO INC

Position in ECL — Ecolab Inc.

CIK 1082461 BOSTON, MA

Position in ECL

as of Mar 31, 2026 · filed May 7, 2026 Compact

Position Value

$60,136,481

+$526,065 QoQ

Shares Held

226,060

-0.4% QoQ

Ownership

0.080%

of shares outstanding

% of Portfolio

4.14%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Basic Materials · as of Mar 31, 2026

S&CO INC holds $116,591,436 across 4 Specialty Chemicals names. ECL ranks #1 (51.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ECL	Ecolab Inc. This page	226,060	$60,136,481
2	APD	Air Products & Chemicals, Inc.	94,428	$27,430,389
3	FUL	Fuller H B Co	261,171	$16,109,027
4	LIN	Linde PLC	26,052	$12,915,539

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$60,136,481	226,060	-0.4%	Shares	Sole	2026-05-07
2025-12-31	$59,610,416	227,070	-0.6%	Shares	Sole	2026-02-05
2025-09-30	$62,592,072	228,555	-0.4%	Shares	Sole	2025-11-06
2025-06-30	$61,812,769	229,412	-0.7%	Shares	Sole	2025-08-07
2025-03-31	$58,584,162	231,083	-0.2%	Shares	Sole	2025-05-08
2024-12-31	$54,239,924	231,478	-0.3%	Shares	Sole	2025-02-07
2024-09-30	$59,293,243	232,222	+0.7%	Shares	Sole	2024-11-07
2024-06-30	$54,861,856	230,512	-1.8%	Shares	Sole	2024-08-08
2024-03-31	$54,204,005	234,751	-0.2%	Shares	Sole	2024-05-09
2023-12-31	$46,662,829	235,255	-0.4%	Shares	Sole	2024-02-12
2023-09-30	$40,009,739	236,185	-0.0%	Shares	Sole	2023-11-09
2023-06-30	$44,096,178	236,200	-0.6%	Shares	Sole	2023-08-08
2023-03-31	$39,343,998	237,685	-0.5%	Shares	Sole	2023-05-09
2022-12-31	$34,782,289	238,955	-1.7%	Shares	Sole	2023-02-07
2022-09-30	$35,100,847	243,047	+0.2%	Shares	Sole	2022-11-09
2022-06-30	$37,290,644	242,525	+0.3%	Shares	Sole	2022-08-09
2022-03-31	$42,680,025	241,731	+1.8%	Shares	Sole	2022-05-05
2021-12-31	$55,701,284	237,441	+0.2%	Shares	Sole	2022-02-08
2021-09-30	$49,455,665	237,061	+0.0%	Shares	Sole	2021-11-09
2021-06-30	$48,814,066	236,996	+0.2%	Shares	Sole	2021-07-14
2021-03-31	$50,633,120	236,526	-0.2%	Shares	Sole	2021-04-23
2020-12-31	$51,268,881	236,961	-0.3%	Shares	Sole	2021-01-28
2020-09-30	$47,491,176	237,646	+0.0%	Shares	Sole	2020-12-11
2020-06-30	$47,274,300	237,619	-0.2%	Shares	Sole	2020-12-16
2020-03-31	$37,118,550	238,199	—	Shares	Sole	2020-04-28
No filing history on record for this holder in this stock.